/*
 *	The Unix Channel
 *
 *	by Michel Beaudouin-Lafon and Stephane Chatty
 *
 *	Copyright 1990-1993
 *	Laboratoire de Recherche en Informatique (LRI)
 *	Centre d'Etudes de la Navigation Aerienne
 *
 *	Tk-based multiplexers
 *
 *	$Id$
 *	$CurLog$
 */

#ifndef TkMultiplexer_H_
#define TkMultiplexer_H_

#include "Multiplexer.h"
#include "error.h"

/* taken from tcl7.0 and tk3.3 */
typedef struct Tk_TimerToken_ *Tk_TimerToken;
#ifndef _CLIENTDATA
#   ifdef __STDC__
    typedef void *ClientData;
#   else
    typedef int *ClientData;
#   endif /* __STDC__ */
#define _CLIENTDATA
#endif


class UchTkMultiplexer : public UchBaseMultiplexer {
private:
static	void	FireSignals (ClientData);
static	void	FireTimers (ClientData);

protected:
	bool	Active [NFILE];
	Tk_TimerToken	TimeOut;

	void	SetMasks (int, IOMODE);
	void	SetTimeOut (Millisecond);
	void	SuppressTimeOut ();
	void	AddSignalHook ();
	MPX_RES	Loop ();

public:
		UchTkMultiplexer ();
		~UchTkMultiplexer ();
};

#endif	/* TkMultiplexer_H_ */